Michael Andrew Yastrzemski (/jəˈstrɛmski/; born August 23, 1990), nicknamed "Yaz", is an American professional baseball outfielder for the San Francisco Giants of Major League Baseball (MLB). He is the grandson of Hall of Famer and Triple Crown winner Carl Yastrzemski. Yastrzemski played college baseball for the Vanderbilt Commodores. The Baltimore Orioles selected him in the 14th round of the 2013 MLB draft. He made his MLB debut with the Giants in 2019.